body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    overflow-x: hidden;
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    pointer-events: none;
}



header {
    background-color: #fff;
    padding: 2.5rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    overflow: hidden;
    position: relative;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 2.2rem;
    font-weight: 900;
    text-decoration: none;
    color: #fff;
    letter-spacing: 0.5px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #00e5ff;
}

.hero {
    background: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.hero-text {
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeInDown 1s ease-in-out;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-text p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-in-out;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-button {
    background: rgba(0, 123, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #fff;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    position: relative;
    z-index: 3;
}

.cta-button:hover {
    background: rgba(0, 123, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 123, 255, 0.4);
}

/* 新增内容区域样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
    font-weight: 700;
}

/* 核心优势区域 */
.features-preview {
    padding: 5rem 0;
    background-color: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 数据统计区域 */
.stats-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.stats-section .section-title {
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    color: #00e5ff;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 客户评价区域 */
.testimonials {
    padding: 5rem 0;
    background-color: #fff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #007BFF;
}

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: #333;
}

.testimonial-author strong {
    display: block;
    color: #333;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: #666;
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding: 2rem 0;
    background-color: #333;
    color: #fff;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-100px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(100px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

/* 滚动动效 */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

.feature-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.feature-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.stat-item {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease-out;
}

.stat-item.animate {
    opacity: 1;
    transform: scale(1);
}

.testimonial-card {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.testimonial-card.animate {
    opacity: 1;
    transform: translateX(0);
}

/* 多层动画横幅样式 */
.page-dual-images {
    position: relative;
}

.animated-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.animated-banner .layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-origin: center center;
    transition: transform 0.3s ease-out;
    display: flex;
    justify-content: center;
    align-items: center;
}

.animated-banner .layer img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    display: block;
}

.animated-banner .layer video {
    height: auto;
    width: auto;
    object-fit: cover;
    display: block;
    transform: translateX(-50%);
}

/* 确保导航内容位于图层之上 */
nav {
    position: relative;
    z-index: 10;
}